Arm brace legal on Mossberg Shockwave? Jump to Latest Follow 27K views 9 replies 6 participants last post by Lefty2barrels Jun 19, 2017Mossberg Mossberg makes badass shotguns and other firearms. However, there’s always room to make ’em even meaner. Here are a few parts that will help you get the very most out of your Mossy. Raptor Grip 500/590; Raptor F1 Forend for Mossberg 500 and 590; Raptor F1 Forend for Mossberg Shockwave; Raptor Forend Nut Tool 500/870; Raptor Grip ...The SB Tactical 590-SBM4 Mossberg 590 Shockwave Brace Kit, is design to work with the Mossberg 590 Shockwave in 12 or 20 gauge. This kit will give the user a third point of contact that will help improve the stability, accuracy and usability of your Shockwave.Goldilocks has packed up, burnt by high prices. Now let's see what the big question is that needs to be answered. The Goldilocks economic scenario that the bulls have promoted ...The addition of the gun mounted accessories increased the unloaded weight of the Shockwave by just 9.7-oz. without spoiling the balance or adding a bunch of snag points. All of the add-ons proved ...Mossberg has managed to disrupt the shotgun market with the introduction of a gun that isn’t even a shotgun! The Shockwave is a 14-inch pump 12-gauge gun, measuring in at just under 26½ inches long. Get this: You can pick it up today, from your local dealer, without any extra government paperwork or waiting on the BATFE to … Literally just finished mine the other day, sb still sells the ergo adapter for like $29.99 comes with a nice grip too all you need is buffer tube and castle nut. Obviously whatever stock you went with. Make sure if you get an adjustable brace you have a buffer tube that has the positions. Also pay attention to the brace you order mine actually ... Anyone with a pistol brace on an unregistered 14” Shockwave, TAC-14, etc. is technically in possession of a Short-Barreled Shotgun and is (technically) committing a felony. Since the original ruling never applied to weapons like the 14” Shockwave, “firearms” with Birds Head Grip aren’t affected by this latest ruling either; however ...Blade® 2M (Mil-Spec) Made from high-strength glass-reinforced polymer, the adjustable Shockwave Blade 2M pistol stabilizer is manufactured to exacting tolerances and fits all pistols equipped with a Mil-spec buffer tube. Just slip it on and lock in place. Adjusts with a simple finger lever. Quick and easy to install.Description. Designed and manufactured by United States veterans, the SB Tactical® SBA3™ Pistol Stabilizing Brace is a drop-in pistol brace, engineered to deliver improved comfort and control with disabled veterans, competitive shooters, and civilian shooters who own non-NFA pistol-length firearms. This brace features a 5-position ...The Fed sounds as confused as ever about what to do with interest rates, and investors don't know what to expect. (Hint: Volatility.) By clicking "TRY IT", I agree to receive newsl...SB Tactical SBM4 Pistol Stabilizing Brace Kit for Mossberg 590 Shockwave, Black - 590-SBM4-01-SB : Palmetto State Armory $ 199.99 :Mar 15, 2020 · Join us as we building the Ultimate Mossberg 590 Shockwave. In this video we feature the SBA4 Brace from SB Tactical. This has been an incredible addition to... The SB Tactical 590-SBM4 Mossberg 590 Shockwave .410 pistol stabilizing brace is specifically built for the Mossberg 590 Shockwave platform to provide you with additionally versatility and weapon control. The 590-SBM4 will allow you to enhance and improve the controllability of the firearm by adding a third point of contact for superior ...Product Description. Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3™ is 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an integral, ambidextrous QD sling socket. The SBA3 is compatible with any mil-spec carbine receiver extension (not included).It is a complete kit, ready to assemble to your Mossberg 590 Shockwave. The Stabilizing Brace will greatly enhance the usability of your Mossberg 590 Shockwave by adding an additional point of contact for stabilization. SB Tactical 590-SBM4 Pistol Stabilizing Brace Features. Complete kit, ready to assemble. 12/20 GA and .410 kits availableShotgun Scabbard: Voodoo Tactical Breacher's Shotgun Scabbard (20-8916) $29.95. In this article. mossberg, mossberg shockwave, shockwave, 590 shockwave, 12 gauge, non-NFA, tax stamp, National ...Mossberg Maverick 88 Field 12 Gauge Shotgun - 28". View Details. $229.99. In Stock. Savage 18.5" Stevens 320 Security Pump Action 12 Gauge Shotgun 3" Chamber Pistol Grip Pic Rail - Black. View Details. $269.99. In Stock. CZ USA Drake Shotgun 20 Gauge - 28" - Gloss Black Chrome - Turkish Walnut Stock W/ Pistol Grip.Made from high-strength glass-reinforced polymer, the Shockwave Blade pistol stabilizer is manufactured to exacting tolerances and fits all pistols equipped with a standard AR-15 pistol buffer tube (up to 1.25″ in diameter). Just slip it on and tighten the large set screw for a rock-solid installation. Quick and easy to install. Provides ...Arm brace legal on Mossberg Shockwave? Jump to Latest Follow 27K views 9 replies 6 participants last post by Lefty2barrels Jun 19, 2017SB Tactical 590-SBM4 Mossberg Shockwave 410 Bore Pistol Brace ... $199.99 (Save up to 20%) Price $159.99. 5904-SBM4-01-SB. SB Tactical. Streamlight 69602 TL-Racker 1000 Lumen Forend Light for Mossberg 590 Shockwave with Strap and CR123A Lithium Batteries, Black. 450. 100+ bought in past month. $13599. FREE delivery Fri, May 17. Only 7 left in stock - order soon. More Buying Choices. $128.59 (29 used & new offers) MSRP: $199.99. Price: $159.99. Out of Stock. GET NOTIFIED - CLICK HERE. Product Description. The SB Tactical 590-SBM4 brace creates another point of contact, maximizing your Mossberg Shockwave’s stability and accuracy for improved performance.A complete kit, ready-to-assemble on your Mossberg 590 Shockwave, greatly enhancing the usability of the firearm by adding a third point of contact for stabilization. Features: Complete kit, ready-to-assemble; Kit includes: SBL Pistol Stabilizing Brace; STDT pistol receiver extension; ERGO Flat Top SUREGRIP; ERGO Mossberg 590 adapter; Castle nut40.4K subscribers. Subscribed. 4K. 143K views 4 years ago #BETHESWITCH #BETHEWEAPON #BEUNSTOPPABLE. Join us as we building the Ultimate Mossberg 590 Shockwave. In this video we feature the SBA4...Features the Shockwave signature bird’s-head grip, uniquely shaped to minimize felt recoil. Also includes the features that have made Mossberg pump-actions the choice for millions worldwide: ambidextrous safety, dual extractors, positive steel-to-steel lockup, twin action bars, and a smooth operating anti-jam elevator.See full list on pewpewtactical.com 590 SHOCKWAVE FEATURES. 12 Gauge, 20 Gauge, and .410 Bore. Bird’s-head grip. Clean-out tube. Strapped forend. Matte and Cerakote® finish options. Drilled and tapped receiver. "Nightstick" models with wood furniture. 590M model with Detachable Magazine & 590S short-shell-compatible models available.A complete kit, ready-to-assemble on your Mossberg 590 Shockwave, greatly enhancing the usability of the firearm by adding an additional point of contact for stabilization. Product Features. Complete kit, ready-to-assemble SBM4™ Pistol Stabilizing Brace® STDT-C pistol receiver extension; ERGO Flat Top SUREGRIP; ERGO Mossberg 590 adapter ...SB Tactical SBM4 Pistol Stabilizing Brace Kit for Mossberg 590 Shockwave, Black - 590-SBM4-01-SB : Palmetto State Armory $ 199.99 :Listed on the Brownells website as #100-031-274, the Boom Kit retails for $369.99. Sold separately and requiring an FFL for purchase, the Mossberg 590 Shockwave is #100-024-340 at Brownells.com ...SB Tactical SBL Stabilizing Brace, Fits Mossberg 590, ERGO Flat Top SUREGRIP, Black Finish 590-SBL-01-SB. ... Thomas, no Sir. The overall length of the Mossberg 590 Shockwave is just over 26 inches with the standard Raptor grip. It would be less than 26 inches with just the Pistol Grip. Q: Legal in Florida?These guns include items such as the Remington TAC-14 and the Mossberg Shockwave. ... a ‘pistol grip shotgun’ equipped with a ‘stabilizing brace’ and a barrel of less than 18 inches is an ...Do you have crooked teeth or teeth with inconsistent spaces between them? Whether you’re an adult or a teenager, you don’t need to settle for a less-than-perfect smile. As you prob...At Shockwave, we are dedicated to innovation and excellence. We are the inventors of the Blade® Pistol Stabilizer, Blade® 2.0 Pistol Stabilizer, Blade® 2M Pistol Stabilizer, Raptor Grip for the Mossberg Shockwave, Remington TAC 14, Remington V3 TAC 13 and ZMAG magazines for the M-11/NINE.The Mossberg Shockwave grip can be easily removed by following these steps: 1. Ensure your firearm is unloaded and safe. 2. Using a suitable tool, depress the detent found on the grip’s rear-end cap. 3. While holding down the detent, carefully pull the grip towards the front of the firearm to slide it off the tube. Contents [ show]No restriction on 18'' barrel and up. Under 18'' gets the tax stamp. OA length is unrestricted unless it is a semi auto. Pumps are GTG. This is my understanding of the shotgun ruling. If there are any additional princess requirements I really don't give a fuck what that asshole says or desires.SB Tactical SBM4 Pistol Stabilizing Brace Kit for Mossberg 590 Shockwave, Black - 590-SBM4-01-SB . Rating: 100%. Out of Stock. Notify When In Stock. Add ... Mossberg 590 Shockwave. The Mossberg 590 Shockwave offers the legendary Mossberg pump-action shotgun with a new compact 14" barrel. The gun's bird's head pistol grip is uniquely designed to minimize recoil. The Mossberg 590 Shockwave comes with all the standard features of the Mossberg 590. The Mossberg 590 Shockwave comes in several makes models. The light was $114 and the mount $43. Here are the amazon titles for both items, get some extra batteries as well. Streamlight 69420 Tlr-7 Low Profile Rail Mounted Tactical Light, Black - 500 Lumens. CDM GEAR Fits Mossberg …Jan 11, 2018. #1. Has anyone tried the Blackaces Folding Brace Assembly? It looks like a pretty innovative device to help stabilize a Shockwave. Since it is not a folding butt stock, it appears that it is still legal on a Shockwave. The strap goes around your forearm instead of the butt going against your shoulder.Speaking of upgrading your Shockwave, we recommend starting with an SB Tactical Mossberg Brace. The stock version of the Shockwave comes with a small bird’s head pistol grip. This might be good in some situations, but it wasn’t something we enjoyed. ... The Mossberg Shockwave is a great value weapon system coming in at around … The Shockwave SPX features a receiver-mounted side saddle with shellholder units/removable top rail, and barrel heat shield. Also includes the features that have made Mossberg pump-actions the choice for millions worldwide: ambidextrous safety, dual extractors, positive steel-to-steel lockup, twin action bars, and a smooth operating anti-jam elevator. KAK Industry developed the KAK buffer tube specifically for the Shockwave pistol stabilizer, creating the world’s best pistol stabilizing system. The class 3 hard-anodized tube features 12 length-adjustment settings. Its anti-rotation and anti-thrust design means that the Blade stays put without sliding forward or spinning.NDZ Enhanced Safety Selector - Detent Ball - Upgraded Magazine Follower kit for Mossberg Shotguns 500 590 835 930 935 ShockWave 12GA Purple. $19.99. Notify When in stock. QualityInnovative Products. KnowledgeableStaff. Same DayShipping*. ExcellentCustomer Service. Buy aftermarket Mossberg 500 & Mossberg Shockwave …At Shockwave, we are dedicated to innovation and excellence. We are the inventors of the Blade® Pistol Stabilizer, Blade® 2.0 Pistol Stabilizer, Blade® 2M Pistol Stabilizer, Raptor Grip for the Mossberg Shockwave, Remington TAC 14, Remington V3 TAC 13 and ZMAG magazines for the M-11/NINE.Features the Shockwave signature bird’s-head grip, uniquely shaped to minimize felt recoil. Also includes the features that have made Mossberg pump-actions the choice for millions worldwide: ambidextrous safety, dual extractors, positive steel-to-steel lockup, twin action bars, and a smooth operating anti-jam elevator.GG&G Mossberg Shockwave Flashlight Mount; GG&G Mossberg 500/590 Red Dot Scope Mount Burris Fastfire 3 and 4 Footprint; ... The new slick look and slightly smaller profile makes it an extremely comfortable …ERGO Mossberg 500/590 .410-Gauge AR Stock Adapter. Use the ERGO .410 GA Shotgun Adapter to install an AR stock & pistol grip on your Mossberg 500/590 or brace & pistol grip on your SHOCKWAVE. Accommodates mil spec or commercial buffer tubes. ALL NFA RULES APPLY. Use any style AR stock/brace and pistol grip …May 27, 2020 · The problem with that is that the design of most folding mechanisms and shotgun pistol grips is that if you attach it to a Shockwave, it (with the brace folded) is now under that magic 26". That said, I have an ACE Ltd Mossberg pistol grip and folding mechanism that I will part with, as I have no need for it. The number of adults wearing braces today is 37% higher than in 1989, but insurance rarely covers the bill. By clicking "TRY IT", I agree to receive newsletters and promotions from...A complete kit, ready-to-assemble on your Mossberg 590 Shockwave, greatly enhancing the usability of the firearm by adding a third point of contact for stabilization. Features: Complete kit, ready-to-assemble; Kit includes: SBM4 Pistol Stabilizing Brace; STDT-C pistol receiver extension; ERGO Flat Top SUREGRIP; ERGO Mossberg 590 adapter; Castle nutWhy holiday travel this year might be a mess. Holiday travel this year may be a mess. Last year, health professionals all but begged travelers to stay home during the holidays. Now...Much like a standard Mossberg 590, the Shockwave has a five-shot magazine tube, matte blue finish and a heavy-walled barrel. The choke is fixed cylinder bore as you would expect. The Shockwave’s barrel is 14.375″ compared to the standard 18.5″. One addition to the Shockwave from the standard 590 is a strap on the forend.SB Tactical SBM4 Mossberg 590 Shockwave Brace Kit. MPN: 590SBM401SB | UPC: 699618782622. PRODUCT DESCRIPTION. A complete kit, ready-to-assemble on your …Previously, it was not though. I never argued that Shockwave and a stock is not a SBS. That has always been the case. I have the ATF letter in hand explaining that the brace on my Shockwave did not classify the firearm as a SBS. Obviously now that has changed. ATF approval of the SBM4 brace for the Mossberg Shockwave in 2017. ATF ClarificationSep 1, 2023 · The Shockwave is one of the newer additions to the Mossberg family. Built around their popular 590 platform, it features a 14” barrel and an innovative hand grip that allows the user to hold the gun much like a traditional shotgun. The Mossberg 590 Shockwave is just over 26 inches in total length and features a birds-head grip. Maverick 88. 12 GA Stocks. 20 GA Stocks. Accessories & Parts. Side-Saddle. Mossberg 12ga Shockwave. Stock & Accessories. Mossberg 500/590/835. 12 GA Stocks.Chrome/Firefox/Safari/Opera: Want proof that HTML5 is the way of the future? Try Sketchpad, a surprisingly robust online painting app that doesn't require Flash, Shockwave, or any ...Apr 25, 2017 · Mossberg Mossberg makes badass shotguns and other firearms. However, there’s always room to make ’em even meaner. Here are a few parts that will help you get the very most out of your Mossy. Raptor Grip 500/590; Raptor F1 Forend for Mossberg 500 and 590; Raptor F1 Forend for Mossberg Shockwave; Raptor Forend Nut Tool 500/870; Raptor Grip ... Attach a brace and pistol grip to your Mossberg 500/590 or Shockwave with this kit. Includes Ergo Flat Top Grip, mounting hardware and instructions. For 12GA and 20GA …25 Mar 2017 ... Shockwave Technologies Blade Pistol Brace Review KAK Industries Pistol Buffer Tube Please Support Sootch00 on Patreon! Mossberg 590 Shockwave. The Mossberg 590 Shockwave offers the legendary Mossberg pump-action shotgun with a new compact 14" barrel. The gun's bird's head pistol grip is uniquely designed to minimize recoil. The Mossberg 590 Shockwave comes with all the standard features of the Mossberg 590. The Mossberg 590 Shockwave comes in several makes models. Discover our selection of Shockwave Blades pistol braces, designed to improve your shooting stability and comfort. Ideal for tactical and recreational shooters, these braces offer enhanced control and accuracy for a variety of pistol models. ... Mini Shockwave 2M Pistol Brace Kit, Pistol Caliber- Black $109.95 - $129.95. Out of stock. Quick ...• ERGO Mossberg 590 adapter • Castle nut • Available in 12/20 GA and .410 • Complete kit, ready-to-assemble • Veteran designed • Made in the USA *Specifications Subject to Change | www.sb-tactical.com SPECIFICATIONS: 590-SBM4 Gun Compatibility: Mossberg 590 Shockwave Firearm MSRP: $199.99 Part Number: 12/20 GA: 590-SBM4-01-SBDWAC stock is falling as Elon Musk's nears the closure of his deal to buy Twitter. Here's what investors need to know. Elon Musk may inadvertently kill Truth Social if he successfu...Feb 18, 2020. #1. I'd like to see someone develop a top folding pistol brace for the Shockwave that would still maintain the 26"+ length! I am thinking a typical Choate top folder with a Tail Hook brace integrated onto the end instead of …SB Tactical SBA5 AR Pistol Stabilizing Brace - Black. View Details. $99.99. Out of Stock. SB Tactical SBA3 AR Pistol Stabilizing Brace - Flat Dark Earth - No Receiver Extension. View Details. $99.99. SB Tactical AR Pistol Braces for sale at Primary Arms. Get the SBA3 in any color you want or pick up the PDW brace for a compact build.We would like to show you a description here but the site won’t allow us.Features the Shockwave signature bird’s-head grip, uniquely shaped to minimize felt recoil. Also includes the features that have made Mossberg pump-actions the choice for millions worldwide: ambidextrous safety, dual extractors, positive steel-to-steel lockup, twin action bars, and a smooth operating anti-jam elevator.Much like a standard Mossberg 590, the Shockwave has a five-shot magazine tube, matte blue finish and a heavy-walled barrel. The choke is fixed cylinder bore as you would expect. The Shockwave’s barrel is 14.375″ compared to the standard 18.5″. One addition to the Shockwave from the standard 590 is a strap on the forend.As winter approaches, many cities across the country brace themselves for the possibility of heavy snowfall. While snow can create a magical winter wonderland, it also has a signif...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...There are two types of braces that could conceivably be covered by PeachCare for Kids. The first are dental braces, which are not covered. The second are orthotic braces, which may...Sb Tactical Brace SBM4 Kit Mossberg 590 Shockwave 12GA; Type/Color: Pistol STABILIZING Brace Size/Finish: Fits Mossberg 590 Shockwave Material: ELASTO-Polymer SBM4 SPECIFICATIONS LENGTH: 10.25 in STRAP WIDTH: 1 in WEIGHT: 21 oz COLOR: Black. SKU: ACC-SB-590SBM401SB: Country of Manufacture: United States: …No - the Shockwave 590 with a 14" barrel is almost 2" shorter than a 500 with an 18.5" barrel (the 18.5" barrel is the shortest that Mossberg sells the 500 with). Even the bullpup 500 is 28.5" long - I used to own one and compared to the Shockwave it is a clunky bulky heavy shotgun.SB Tactical has launched four new stabilizing brace kits for the Remington Model 870 Tac-14 and Mossberg 590 Shockwave firearms that have been all the rage this year.. First up are the TAC14-SBM4 and 590-SBM4 options. These complete kits come with the SBM4 brace with a 7075-aluminum receiver extension; Ergo Flat Top SureGrip; …28 Mar 2022 ... Tactical Tuesday Mossberg Shockwave Review. 25K ... SB Tactical's NEW Pistol Arm Brace. SBA5 ... Mossberg 590 Shockwave project. CrazyHawk99 ...ATF Brace Rule and Lawsuits. ... ERGO MOSSBERG 500/590 & SHOCKWAVE ADAPTER KIT – 12GA/20GA $ 29.99. View Details. ERGO REMINGTON 870 ADAPTER KIT – 12GAAdvertisement Travel around the world, and you'll encounter dozens of variations on your standard beam bridge. The key differences, however, all come down to the design, location a...SB Tactical SBA3 Pistol Stabilizing Brace Open Box / No Box Sp ... Price $75.00. 1 Review. SBA3X-01-SB-NOBOX. SB Tactical. SB Tactical Evo G2 Brace $124.99 (Save up to 20%) Price $99.99. EV0201SB. SB Tactical. SB Tactical MPX PSB Adjustable Pistol Brace Sig Sauer MCX MPX $199.99 (Save up to 20%) Price $159.99.22 Dec 2023 ... Putting the sb tactical tactical stabilizing brace kit on my mossberg shockwave. Tactical Skillionair Defense•11K views · 34:32 · Go to channel ....Product Overview. The SB Tactical SBL Stabilizing Brace Kit is a complete kit, ready-to-assemble on your Mossberg 590 Shockwave or Remington Tac-14. This kit greatly enhances the usability of the firearm …Jan 26, 2023 · 3. Essentially means that it has never been legal to install a pistol brace on a short-barreled “firearm” like the 14” Shockwave or TAC-14. 4. Anyone with a pistol brace on an unregistered 14” Shockwave, TAC-14, etc. is technically in possession of a Short-Barreled Shotgun and is (technically) committing a felony. 5.
No, a pistol brace is not considered a stock as it is designed to be attached to a pistol buffer tube instead of a rifle stock. 2. Can I install a pistol brace on my Mossberg Shockwave? In some jurisdictions, you may be able to legally install a pistol brace on your Mossberg Shockwave. However, it is advisable to consult local laws to confirm .... Menards owatonna
First Citizens has agreed to buy Silicon Valley Bank, the California lender whose collapse sent shockwaves through the financial sector. First Citizens has agreed to buy a $72 bill...No, a pistol brace is not considered a stock as it is designed to be attached to a pistol buffer tube instead of a rifle stock. 2. Can I install a pistol brace on my Mossberg Shockwave? In some jurisdictions, you may be able to legally install a pistol brace on your Mossberg Shockwave. However, it is advisable to consult local laws to confirm ...Mossberg Mossberg makes badass shotguns and other firearms. However, there’s always room to make ’em even meaner. Here are a few parts that will help you get the very most out of your Mossy. Raptor Grip 500/590; Raptor F1 Forend for Mossberg 500 and 590; Raptor F1 Forend for Mossberg Shockwave; Raptor Forend Nut Tool …10. Can I transport a Shockwave with an arm brace across state lines? Transportation of firearms across state lines is subject to federal regulations, and individual states may have additional requirements or restrictions. Research and adhere to applicable laws. 11. Can I legally sell a Mossberg Shockwave with an arm brace?Description. Designed and manufactured by United States veterans, the SB Tactical® SBA3™ Pistol Stabilizing Brace is a drop-in pistol brace, engineered to deliver improved comfort and control with disabled veterans, competitive shooters, and civilian shooters who own non-NFA pistol-length firearms. This brace features a 5-position ...With the stabilizing brace, the gun is much more manageable and easier to use. ... Is it for you? For more awesome shotgun and Shockwave content, check these out: Mossberg Shockwave, Remington Tac-14. Related topics: Gun Reviews , Review , Shotgun ; shop products mentioned. Brownells AR-15 .458 SOCOM Barrel $320. Deals …When it comes to standing, walking, and running, our legs play a crucial role in keeping us upright and mobile. However, not all legs are created equal. Some individuals may have w...Find many great new & used options and get the best deals for SB Tactical Brace SBL Kit Mossberg .410 Shockwave 5904sbl01sb at the best online prices at eBay! Free shipping for many products! ... item 1 for Mossberg 500 590 835 930 935 Shockwave Slide Safety Switch Kits Tactical for Mossberg 500 590 835 930 935 Shockwave Slide Safety Switch ...Stocks wavered as investors waited to see how the Fed will move with interest rates after SVB's collapse and depositors fleeing smaller banks. Jump to US stocks edged lower Wednesd... Just going over my setup and the things I've added and modifications on my Mossberg 590 Shockwave 12 gauge. I've got hundreds of rounds through this firearm ... The Magpul SGA Mossberg 500/590 MOE Pump allows you to add stuff only where you need it. ... Precisely why he only mentioned adding a brace to the shockwave. Actually reading the article helps. October 13, 2019 12:32 pm Reply 0 0 1 0 0 0. Xaun Loc. Don't count on a brace being legal on a shockwave.A complete kit, ready-to-assemble on your Mossberg 590 Shockwave, greatly enhancing the usability of the firearm by adding an additional point of contact for stabilization. Product Features. Complete kit, ready-to-assemble SBM4™ Pistol Stabilizing Brace® STDT-C pistol receiver extension; ERGO Flat Top SUREGRIP; ERGO Mossberg 590 adapter ...Arm brace legal on Mossberg Shockwave? Jump to Latest Follow 27K views 9 replies 6 participants last post by Lefty2barrels Jun 19, 2017• ERGO Mossberg 590 adapter • Castle nut • Available in 12/20 GA and .410 • Complete kit, ready-to-assemble • Veteran designed • Made in the USA *Specifications Subject to Change | www.sb-tactical.com SPECIFICATIONS: 590-SBM4 Gun Compatibility: Mossberg 590 Shockwave Firearm MSRP: $199.99 Part Number: 12/20 GA: 590-SBM4-01-SB.